新开分支整理代码：

1.帮助文档修改功能
2.帮助文档与上一版对比功能
3.单点问题解决
4.markdown帮助文档

Conflicts:
	src/main/resources/messages/message_en.properties
	src/main/resources/messages/message_ru.properties
	src/main/resources/messages/message_zh_CN.properties

src/main/java/com/nis/domain/configuration/HelpInfo.java

@@ -0,0 +1,34 @@
+package com.nis.domain.configuration;
+
+import java.util.Date;
+
+import com.nis.domain.BaseEntity;
+import com.nis.util.excel.ExcelField;
+
+public class HelpInfo extends BaseEntity<HelpInfo>{
+
+	private static final long serialVersionUID = 2451757008384840494L;
+	private String fileName;
+	private String fileComment;
+	private String backFileComment;
+	public String getFileName() {
+		return fileName;
+	}
+	public void setFileName(String fileName) {
+		this.fileName = fileName;
+	}
+	public String getFileComment() {
+		return fileComment;
+	}
+	public void setFileComment(String fileComment) {
+		this.fileComment = fileComment;
+	}
+	public String getBackFileComment() {
+		return backFileComment;
+	}
+	public void setBackFileComment(String backFileComment) {
+		this.backFileComment = backFileComment;
+	}
+	
+	
+}